青少版新概念3AUnit 2.ppt

1、3A Unit 2,how many pounds has the fat man lost?,仔细观察红色部分,She has been to Japan. She has drunk Chinese black tea. I have sung kalaoka. I have eaten snails. has/have + 动词过去分词,Think about it.,1.现在完成时 2.结构：have/has + 动词的过去分词 e.g. I have had a sandwich. 3.现在完成时用法 1）表示： 2）表示： 4.改否定： 改一般疑问：,Lets take a loo

2、k at grammar.,找一找属于那种用法,1.I have just done my homework. 2.It has rained since last night. 3.We havent seen her for ages. 4.Has she ever visited you? 5.Have they finished their work yet?,（2）现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作（用行为动词表示）或状态（be动词表示）常与for（+时间段）,since（+时间点或过去时的句子）连用. for+时段 since+过去一个时间点（译为：自从以

3、来） since+时段+ago since+从句（过去时） It is+时段+since+从句（过去时） Mary has been ill for three days. I have lived here since 1998.,四现在完成时的标志1.现在完成时的含义之一是过去完成的动作对现在仍有影响,用以下四大标志词可以表达这种含义: * 以already, just和yet为标志 He has already got her help. 他已得到她的帮助。 He has just seen the film. 他刚刚看过这场电影。 He hasnt come back yet. 他还没

4、有回来。,试一试下列动词。,work _ _ live _ _ stay _ _ drop _ _ clean _ _ study _ _,试一试下列动词。,work _worked_ _worked_ live _lived_ _lived_ stay _stayed_ _stayed_ drop _dropped_ _dropped_ clean _cleaned_ _cleaned_ study _studied_ _studied_, AAA型（动词原形与过去式、过去分词同形）let（让） let let put（放） put put read （读） read read beat（动

5、） beat beatcost（花) cost cost cut（割） cut cut,(4) ABB型（过去式与过去分词同形）dig（挖） dug dug get（得到） got got hang（吊死） hanged hanged hang（悬挂） hung hung hold（抓住） held held shine（照耀） shone shone sit（坐） satsat win （赢） won won meet（遇见） met met,(5) ABC型begin（开始） began begun drink（喝） drank drunk ring（铃响）rang rung sing （

6、唱） sang sung swim（游泳） swam swum blow（吹） blew blown,do（做） did done go（去） went gone lie（平躺） lay lain see（看见） saw seen wear （穿） wore worn be ( am, is, are )was/were been,lose _ _draw _ _ hear _ _sell _ _ stand _ _take _ _ have _ _do _ _ see _ _ think _ _,lose _ _draw _ _ hear _ _sell _ _ stand _ _take

7、_ _ have _ _do _ _ see _ _ think _ _,lost,lost,drew,drawn,heard,heard,sold,sold,stood,stood,took,taken,had,had,did,done,saw,seen,thought,thought,Where have you been?,flight n. 空中旅行 seat n. 座位 front row 前排 middle row 中排 back row 后排 space n. 空间 extra adj. 额外的,flight attendant 空中服务员 stretch out 伸展开 bri

8、lliant adj. 聪明的,Would you mind giving your seats to this couple?,Would you mind giving your seats to this couple?,Would you mind? 用于礼貌的征求对方的意见，“你/你们介意吗？” Would you mind giving your seats to this couple? 你介意把座位让给这对夫妇吗？,用法,Would you mind doing sth? 表示希望对方做某事。 例：你介不介意关门？ Would you mind closing the door

9、？,2. Would you mind ones doing sth? 询问对方是否介意自己或别人干某事？ 例：你介不介意我关门？ Would you mind my closing the door?,3. Would you mind + if 从句 询问对方是否介意自己或别人干某事。（同2） 例：你介不介意我关门？ Would you mind if I close the door.,回答,介意,不介意,三has gone (to), has been (to), has been (in) 的区别 Have/Has gone(to) :去了(现在不在说话现场) Where is yo

10、ur father？He has gone to Shanghai. Have/Has been (to) :去过（已不在去过的地方） My father has been to Shanghai. Have/has been in：呆了多久（还在所呆的地方） My father has been in Shanghai for two months. /since two months ago.,不介意,No, I dont mind.,No, of course not.,No, go ahead.,介意,Yes, I do mind.,Im sorry but I do.,Im sorr

11、y you cant.,Listening exercises,What is Paul saying to Claire? Can you finish it?,Questions,Claires mother is brilliant. Claire wouldnt like any water or orange juice. Pauls going to enjoy the flight. Claire sounds like her father.,(T),(T),(T),(F),5. Is it a short flight? 6. Did Claire have a drink

12、just now? 7. What would Paul like? 8. Why do the couple need the extra space?,No.,Yes.,Some water.,Because they are tall.,1, Are Paul and Claire in London now?2, Are they in Washington now?,write the sentences,1. I have been to Shanghai before. I _ _ been to Shanghai before.(改否定句) 2. He hasnt come t

13、o school because he was sick.(划线提问) _ _ he come to school?,exercises,1. Would you mind _ the radio? _. The baby is sleeping. A. my turning on, Of course not B. me to turn on, Yes C. my turning on, Im sorry you cant D. if I turn on, Go ahead 2. Would you mind _ the window? Its cold outside. A. to close B. closing C. close D. if clo